Interesting Sum

Easy

Execution time limit is 1 second

Runtime memory usage limit is 128 megabytes

Given a three-digit positive integer $n$ . Find the sum of the largest and the smallest three-digit numbers that can be formed from a permutation of $n$ numbers.

Input

One integer $n (100 \leq n \leq 999)$ .

Output

Print the sum of the largest and the smallest three-digit number.

Examples

Input #1

Answer #1

Submissions 9K

Acceptance rate 24%